#include <cstdio>
#include <string>

void Test01(){
    std::string str;
    printf("str.max_size() = %llu\n", str.max_size());
}

void Test02(){
    char num[10000];
    printf("sizeof(num) = %llu\n", sizeof(num));
}

int main(){
    
    Test01();
    // Test02();

    return 0;
}
